Millimeter-wave (mmWave) Tiknoolajiyada shaandheynta ayaa ah qayb muhiim ah oo awood u siinaya isgaadhsiinta guud ee 5G, haddana waxa ay la kulantaa caqabado badan oo xagga cabbirka jirka ah, dulqaadka wax soo saarka, iyo xasilloonida heerkulka.
Dhanka isgaadhsiinta wireless-ka ee 5G ee caadiga ah, diiradda mustaqbalka waxay u wareegi doontaa isticmaalka soo noqnoqoshada ka sarreeya 20 GHz gudaha mmWave spectrum si kor loogu qaado awoodda xajmiyeedka, ugu dambeyntiina kor u qaadida heerka gudbinta.
Waxaa si fiican loo yaqaan sababta oo ah soo noqnoqoshadooda sare iyo luminta dariiqa weyn, calaamadaha mmWave waxay u baahan yihiin anteenooyin yaryar. Anteenooyinkan ayaa la isku daray si ay u sameeyaan anteenooyin dhuuban, oo faa'iido sare leh.
Mid ka mid ah dhibaatooyinka aasaasiga ah ee naqshadeynta shaandhada ayaa ku jirta la qabsiga cabbirka anteenada, gaar ahaan filtarrada soo noqnoqda. Intaa waxaa dheer, dulqaadka wax-soo-saarka iyo xasilloonida heerkulka filtarrada waxay si weyn u saameeyaan dhinac kasta oo naqshadeynta iyo wax-soo-saarka alaabta.
Caqabadaha cabbirka ee tignoolajiyada mmWave
Nidaamyada diyaarinta anteenooyinka dhaqameed, kala fogaanshaha u dhexeeya canaasiirta waa in ay ka yaraataa kala badh dhererka hirarka (λ/2) si looga fogaado faragelinta. Mabda'aani wuxuu si isku mid ah u quseeyaa anteenooyinkooda 5G ee beamforming. Tusaale ahaan, anteenada ka shaqaynaysa guutada 28 GHz waxay leedahay kala dheerayn curiye ah oo ku dhow 5 mm. Sidaa awgeed, qaybaha shaxdu waa inay ahaadaan kuwo aad u yar.
Nidaamyada wejiyada ah ee ka shaqeeya codsiyada mmWave waxay inta badan qaataan qaab dhismeed qorsheeysan, sida hoos lagu sawiray, halkaasoo anteenooyinku (meelaha jaalaha ah) lagu dhejiyo looxyada wareegga daabacan (PCBs) (goobaha cagaaran), iyo looxyada wareegga (meelaha buluuga ah) ayaa si toos ah loogu xiri karaa guddiga anteenada.
Meesha bannaan ee looxyada wareegyadani waa mid aad u yar, laakiin tignoolajiyada soo baxaya ayaa sahaminaya xitaa dhismayaal fidsan oo is haysta, taasoo tusinaysa in filtarrada iyo baloogyada kale ee wareegga ay u baahan yihiin inay si weyn uga yaraadaan si toos loogu dhejiyo dhabarka anteenada PCB.
Saamaynta Dulqaadashada Wax-soo-saarka ee Shaandhooyinka
Marka la eego muhiimada filtarrada mmWave, dulqaadka wax soo saarka ayaa door muhiim ah ka ciyaara, saameynaya waxqabadka shaandhada iyo qiimaha labadaba.
Si aan u sii baarno arrimahan, waxaan is barbar dhignay saddex hababka soo saarista shaandhada 26 GHz oo kala duwan:
Jadwalka soo socdaa wuxuu qeexayaa dulqaadka xad dhaafka ah ee caadiga ah ee la kulmay wax soo saarka:
Saamaynta Dulqaadka ee Shaandhooyinka PCB Microstrip
Sida hoos ku sawiran, nashqada shaandhada microstrip ayaa la soo bandhigay.
Qalooca jilitaanka naqshadeynta waa sida soo socota:
Si loo darso saamaynta dulqaadku ku leeyahay shaandhada PCB-ga microstrip, siddeed dulqaad oo aad u daran ayaa la doortay, taasoo muujinaysa kala duwanaansho muuqda.
Saamaynta Dulqaadka ee Shaandhooyinka PCB Stripline
Naqshad shaandheynta xariijinta, ee hoos lagu muujiyey, waa qaab dhismeed todoba heer ah oo leh 30 mil RO3003 looxyada dielectric ee sare iyo hoose.
Duubista ayaa ka yar jaranjarada, isku-dheelitirka leydigu waa ka hooseeyaa kan microstripka sababtoo ah maqnaanshaha eber ee u dhow baasaaska, taasoo keentay waxqabadka iswaafajinta hoose ee soo noqnoqoshada fog.
Sidoo kale, falanqaynta dulqaadku waxay muujinaysaa dareen wanaagsan marka loo eego khadadka microstrip.
Gabagabo
Xidhiidhka bilaa-waayirka ah ee 5G si loo gaadho xawaarihiisa degdega ah, tignoolajiyada filter filter mmWave ee ka shaqaynaysa 20 GHz ama ka sareeya waa lama huraan. Si kastaba ha ahaatee, caqabadaha ayaa sii socda marka la eego cabbirrada jirka, xasilloonida dulqaadka, iyo kakanaanta wax soo saarka.
Sidaa darteed, saameynta dulqaadka ee naqshadaha waa in si taxadar leh loo tixgeliyaa. Waxaa cad in filtarrada SMT ay muujiyaan xasillooni ka weyn tii microstrip iyo filtarrada xariijinta, iyagoo soo jeedinaya in shaandhada dusha sare ee SMT ay u soo bixi karaan doorashada guud ee isgaarsiinta mmWave mustaqbalka.
Concept, renowned for its expertise in RF filter manufacturing, offers a comprehensive selection of filters tailored to meet the unique requirements of 5G solutions. As a professional Original Design Manufacturer (ODM) and Original Equipment Manufacturer (OEM), Concept provides an extensive RF filter list for reference, ensuring compatibility and optimal performance for diverse 5G applications. To explore the available options, please visit their website at www.concept-mw.com . For further inquiries or to discuss specific project needs, feel free to contact the sales team at sales@concept-mw.com.
Waqtiga boostada: Jul-17-2024